Apple

Apple and IBM have partnered with Japanese conglomerate Japan Post Group -- building on the partnership the two tech companies announced last year --to provide Japanese senior citizens with iPads that they can use to manage their health.

Mt Sinai's Asthma Health app.

A number of hospitals have already rolled out pilots that take advantage of the integration between Apple HealthKit and Epic.

Just two days after Jawbone announced that it will finally ship its heart rate tracking wearable, UP3, even though the tracker will not be waterproof as initially advertised, an anonymous source told the Wall Street Journal that American Express is working with Jawbone to add payment features to a future wearable.

Apple announced that ResearchKit, its open source platform that helps researchers build medical apps and recruit patients for smartphone-based clinical studies, is now open researchers and developers.

IBM Watson has taken a giant step deeper into the healthcare industry with the formation of a new business unit called Watson Health and a new cloud offering called the Watson Health Cloud.

The Apple Watch will ship in April, according to Apple CEO Tim Cook who discussed the watch on the company's first quarter earnings call.

When Apple announced its Apple Watch wearable last September, there was scarce mention of the device's battery life, leading to the natural conclusion that battery was posing a problem for the Apple Watch team.

Apple's newest software update, iOS 8.

Duke University and Ochsner Health System in Louisiana are two of the first hospitals to integrate with Apple HealthKit via Epic.